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Is an Inheritance Marital Property in New Brunswick After Separation?

Learn who the Marital Property Act covers, how an inheritance reaches you, and why mixing it into family assets matters after separation in New Brunswick.

Wills & Estates5 min readTSLBy the Treadstone Law Team · New BrunswickUpdated November 13, 2026
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Key takeaways
  • The Marital Property Act uses 'spouse' to mean a married person, so common-law partners are not covered by it.
  • An inheritance does not simply land in your hands: the estate's personal representative holds the property first and distributes it to those entitled.
  • Whether an inheritance is excluded from division, and whether mixing it into the home or joint funds changes that, depends on the Act's wording and your facts, so get advice before you act.

You have received an inheritance, or expect one, and your marriage is ending. You want to know whether your spouse can claim part of it, and whether putting it toward the family home or a joint account changes the answer.

This article explains what can be said in general terms about the Marital Property Act, how an inheritance actually reaches a beneficiary, and what records and steps help. It does not replace advice on your own situation, because the treatment of an inheritance turns on the exact wording of the Act and on how the money or property was used.

This article covers the law of New Brunswick.

Why there is no one-line answer

People often hear that an inheritance is always yours alone. How this applies to you depends on your situation, including what happened to the inheritance after you received it, so it is worth confirming with a lawyer. Keeping it separate, using it to pay down a mortgage, or depositing it into a joint account are the kinds of details that can matter.

Because those details matter, treat any quick answer, including from friends or online forums, with caution. A lawyer can read the current law against your documents and tell you where you stand.

Who the Marital Property Act covers

Under the Marital Property Act, 'spouse' means a married person. That means the Act's division rules are aimed at married spouses, not at unmarried partners.

If you and your partner lived together without marrying, the Marital Property Act is not the route for dividing property. Other rules, such as support obligations under the Family Law Act for certain common-law partners, may apply instead, and those depend on how long you lived together and on other facts.

How an inheritance reaches you

When a person dies, their real and personal property vests in the personal representative, meaning the executor or administrator, whatever the will says. The personal representative collects assets, pays debts and taxes, and then distributes what remains to the people entitled.

So your inheritance may not be yours in practical terms until the estate has been administered. Funeral expenses, probate tax and fees, and certain other costs are paid from estate assets in a set order before beneficiaries receive their shares.

If the deceased left no will, the Devolution of Estates Act decides who inherits. For example, where there is a surviving spouse but no issue, the whole estate goes to the surviving spouse, and grandchildren count as issue when they take in place of a child. That matters if your inheritance came from a relative's intestacy, because the rules decide who the beneficiaries are, not the family's wishes.

Mixing an inheritance into the home or joint funds

Whether mixing an inheritance into other money or property changes your position depends on your situation, so it is worth confirming with a lawyer. As a practical matter, a clear paper trail showing where the inherited money came from and where it went makes it easier to explain your position. Commingled money is harder to trace.

Things people commonly do that raise the issue include the following.

If you are still married and the inheritance has not yet been spent or deposited, ask a lawyer before moving it. Once it has been mixed, it can be difficult to undo.

Timing rules that can catch people out

If your spouse dies, the surviving married spouse may apply to the Court to have marital property divided in equal shares as against the deceased's estate. The application must be made within four months of death, and the period can be extended if the spouse did not know of the death or was prevented by circumstances beyond their control. This is available to married spouses only.

Separation can also affect other arrangements. Under the Enduring Powers of Attorney Act, separation of spouses or common-law partners ends the authority of a spouse or partner attorney unless the document provides otherwise.

What to do next

Start by collecting the records that show what you received and what you did with it. Then speak with a lawyer before you move money, change title to the home or sign a separation agreement.

Frequently asked questions

Is an inheritance always excluded from marital property in New Brunswick?

Not as a simple rule you can rely on without checking. It depends on what the Marital Property Act provides and on how the inheritance was used afterwards. A lawyer can confirm how it applies to your facts.

Does the Marital Property Act apply to common-law partners?

The Act defines 'spouse' as a married person, so it does not apply to common-law partners. Some common-law partners may have support rights under the Family Law Act if they meet its conditions, such as living together continuously for not fewer than three years with one substantially dependent on the other.

Can I claim marital property if my spouse dies?

A surviving married spouse may apply to the Court to have marital property divided in equal shares as against the estate, within four months of death. That period can be extended in limited situations.

When do I actually receive an inheritance?

The estate's property first vests in the personal representative, who administers it and distributes it to those entitled. Certain costs are paid first from estate assets.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. New Brunswick laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a lawyer who practises in New Brunswick. Reach us at 1-844-900-1070 or send our Team a message.

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